Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Jordan you can estimate when it's the best time to plant heliotrope by reviewing the USDA zone info.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since heliotrope are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant heliotrope in Jordan is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant heliotrope and expect a good harvest is probably August. You probably don't want to wait any later than that or else your heliotrope may not have a chance to fully mature. You can get started a little bit earlier by starting your heliotrope indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Jordan. It might get as low as -25°F during the coldest months of winter.

Remember that USDA zone info for Jordan is not always accurate and the actual date of last frost is different every year. Since half of the time in Jordan you get a frost after May 15 be ready to protect your heliotrope if you have one of those late frosts.

USDA Zone Info for Jordan

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Jordan

You may be interested in your other planting guides for Jordan.